025 - Gravitational FieldStrength
In this video Paul Andersen explains how the gravitational field strength is directly related to the mass of the object and indirectly related to the square of the distance from the center of mass. The equation for gravitational field strength was discovered by Sir Isaac Newton and contains a gravitational constant.
Do you speak another language? Help me translate my videos:
http://www.bozemanscience.com/translations/
Music Attribution
Title: String TheoryArtist: HermanJolly
http://sunsetvalley.bandcamp.com/track/string-theory
All of the images are licensed under creative commons and public domain licensing:
"File:GRACEGlobeAnimation.gif." Wikipedia, the Free Encyclopedia. Accessed May 22, 2014. http://en.wikipedia.org/wiki/File:GRACE_globe_animation.gif.
"Gravity and Orbits." PhET. Accessed May 22, 2014. http://phet.colorado.edu/en/simulation/gravity-and-orbits.
Sjlegg. English: Gravitational Field Lines and Equipotentials (red) around the Earth., May 9, 2009. Own work. http://commons.wikimedia.org/wiki/File:Gravitational_field_Earth_lines_equipotentials.svg.

Experts explain how gravity has the ability to bend light and even time. This is why the immense gravitational pull of a black hole distorts everything around it. | http://science.discovery.com/tv-shows/how-the-universe-works/
Catch new episodes of HOW THE UNIVERSE WORKS Tuesdays at 10/9c on Science!
Watch full episodes:
http://bit.ly/HTUWFullEpisodes
Subscribe to Science Channel:
http://www.youtube.com/subscription_center?add_user=sciencechannel
Check out SCI2 for infinitely awesome science videos. Every day.
http://bit.ly/SCI2YT
Download the TestTube app:
http://testu.be/1ndmmMq

published:28 Jul 2015

views:97953

How do you measure big forces accurately? By calibrating your force transducer on the world's biggest weight - 1,000,000 pounds of force. This machine ensures planes don't break apart, jets provide required thrust, and rockets make it to their destination.
Thanks to the people at NIST for showing me around: Rick Seifarth and Ben Stein. Animations here are by Sean Kelley and additional footage by JenniferLauren Lee.
Special thanks to Patreon Supporters:
Tony Fadell, Donal Botkin, Jeff Straathof, Zach Mueller, Ron Neal, NathanHansenSupport Veritasium on Patreon: http://ve42.co/patreon
Before visiting NIST in Washington DC I had no idea machines like this existed. Surely there's an accurate way to measure forces without creating such a huge known force?! Nope. This appears to be the best way, with a stack of 20 x 50,000 lb masses creating a maximum force of 4.45 MN or 1,000,000 pounds of force. I also wouldn't have thought about all the corrections that need applying - for example buoyancy subtracts about 125 pounds from the weight of the stack. Plus the local gravitational field strength must be taken into account. And, the gravitational field varies below grade. All of this must be taken into account in order to limit uncertainty to just five parts per million (.0005%)
Music from The EpidemicSound http://epidemicsound.com "Serene Story 2"

General relativity, or the general theory of relativity, is the geometric theory of gravitation published by Albert Einstein in 1916 and the current description of gravitation in modern physics. General relativity generalizes special relativity and Newton's law of universal gravitation, providing a unified description of gravity as a geometric property of space and time, or spacetime. In particular, the curvature of spacetime is directly related to the energy and momentum of whatever matter and radiation are present. The relation is specified by the Einstein field equations, a system of partial differential equations.
Some predictions of general relativity differ significantly from those of classical physics, especially concerning the passage of time, the geometry of space, the motion of bodies in free fall, and the propagation of light. Examples of such differences include gravitational time dilation, gravitational lensing, the gravitational redshift of light, and the gravitational time delay. The predictions of general relativity have been confirmed in all observations and experiments to date. Although general relativity is not the only relativistic theory of gravity, it is the simplest theory that is consistent with experimental data. However, unanswered questions remain, the most fundamental being how general relativity can be reconciled with the laws of quantum physics to produce a complete and self-consistent theory of quantum gravity.
Einstein's theory has important astrophysical implications. For example, it implies the existence of black holes—regions of space in which space and time are distorted in such a way that nothing, not even light, can escape—as an end-state for massive stars. There is ample evidence that the intense radiation emitted by certain kinds of astronomical objects is due to black holes; for example, microquasars and active galactic nuclei result from the presence of stellar black holes and black holes of a much more massive type, respectively. The bending of light by gravity can lead to the phenomenon of gravitational lensing, in which multiple images of the same distant astronomical object are visible in the sky. General relativity also predicts the existence of gravitational waves, which have since been observed indirectly; a direct measurement is the aim of projects such as LIGO and NASA/ESALaser Interferometer Space Antenna and various pulsar timing arrays. In addition, general relativity is the basis of current cosmological models of a consistently expanding universe

published:09 Jun 2014

views:290891

http://www.euronews.com/ Gravity is one of the fundamental forces of nature, its invisible grip governing our planet - from the rocks inside to the seas on the surface.
In this edition of Space, we begin our adventure in a massive cave in northern Italy, a space beneath the surface of the Earth that is so big it has an effect on the local gravity field. If you parked a car weighing one tonne above this cave, it would weigh five grammes less than elsewhere.
However, getting a grip on gravity on a global scale can only be done from space, and that's something ESA's GOCE satellite mission has been doing since 2009. One of the ultimate goals of GOCE is to improve our knowledge of the geoid, a kind of 'gravity map' of the planet, that is essential for oceanographers, surveyors, engineers and Earth-science researchers.
Also tracking invaluable information about the Earth's gravity field is the GRACE mission. While this pair of satellites don't have the high precision of other missions, they offer something unique: a monthly survey of the gravity field. This US-German mission has been tracking the loss of ice mass over Greenland for the past decade, offering useful evidence for those studying climate change.
Find us on:
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published:21 Feb 2013

views:17850

Source: http://onlinelibrary.wiley.com/doi/10.1029/2008GC002149/full
Secureteam10 is your source for reporting the best in new UFO sighting news, info on the government coverup, and the strange activity happening on and off of our planet. Email us YOUR footage and help us continue the good fight for disclosure!
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Music: Prod.@QuantumBeats_PL
https://soundcloud.com/yontek/free-xmas-trap-beat-instrumental-bad-santa
https://www.facebook.com/quantumbeatspoland
ALL footage used is either done under the express permission of the original owner, or is public domain and falls under rules of Fair Use. We are making such material available for the purposes of criticism, comment, review and news reporting which constitute the 'fair use' of any such copyrighted material as provided for in section 107 of the US Copyright Law. Not withstanding the provisions of sections 106 and 106A, the fair use of a copyrighted work for purposes such as criticism, comment, review and news reporting is not an infringement of copyright.

Gravitational waves are ripples in the fabric of spacetime produced by accelerating massive bodies according to Albert Einstein’s general theory of relativity.
In general relativity, gravity manifests itself as massive objects bending the structure of spacetime. In addition, something else happens if the gravitational field varies, for example when two massive objects orbit each other.
The motion of massive bodies through spacetime perturbs its very fabric, imprinting a signal that travels away as a disturbance to the structure of spacetime itself: gravitational waves. The animation visualises the effect of these oscillations, which consist of sequential stretches and compressions of spacetime, rhythmically increasing and reducing the distance between particles as a wave propagates through the surroundings.
It is thought that gravitational waves are abundant across the Universe, typically produced by powerful sources such as supernova explosions and pairs of orbiting black holes.
Update12 February 2016: Gravitational waves were directly detected for the first time by the advanced Laser Interferometer Gravitational-Wave Observatory in 2015, and the discovery was announced on 11 February 2016.
Credit: ESA–C.Carreau

published:01 Sep 2015

views:28591

Our new PODCAST: http://DanielAndJorge.com
ORDER our new book: http://WeHaveNoIdea.com
Have Gravitational Waves finally been detected by LIGO? Physicists Umberto Cannella and Daniel Whiteson explain what they are and why they'll cause a big ripple in our understanding of the Universe.
Subscribe to our channel: http://www.youtube.com/subscription_c...
More at: http://phdcomics.com/tv
Produced by Umberto Cannella
Narrated by Daniel Whiteson
Animated by Jorge Cham
Written by Umberto Cannella, Daniel Whiteson and Jorge Cham
Special thanks to: Aidan Brooks, Flip Tanedo and LIGO
Read the comics at: http://phdcomics.com/comics.php?f=1853
This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 License.

Gravitational field

In physics, a gravitational field is a model used to explain the influence that a massive body extends into the space around itself, producing a force on another massive body. Thus, a gravitational field is used to explain gravitational phenomena, and is measured in newtons per kilogram (N/kg). In its original concept, gravity was a force between point masses. Following Newton, Laplace attempted to model gravity as some kind of radiation field or fluid, and since the 19th century explanations for gravity have usually been taught in terms of a field model, rather than a point attraction.

In a field model, rather than two particles attracting each other, the particles distort spacetime via their mass, and this distortion is what is perceived and measured as a "force". In such a model one states that matter moves in certain ways in response to the curvature of spacetime, and that there is either no gravitational force, or that gravity is a fictitious force.

Classical mechanics

Gravitational wave

In physics, gravitational waves are ripples in the curvature of spacetime which propagate as waves, travelling outward from the source. Predicted in 1916 by Albert Einstein on the basis of his theory of general relativity, gravitational waves transport energy as gravitational radiation. The existence of gravitational waves is a possible consequence of the Lorentz invariance of general relativity since it brings the concept of a finite speed of propagation of the physical interactions with it. By contrast, gravitational waves cannot exist in the Newtonian theory of gravitation, which postulates that physical interactions propagate at infinite speed.

Trousers

Trousers (pants in North America) are an item of clothing worn from the waist to the ankles, covering both legs separately (rather than with cloth extending across both legs as in robes, skirts, and dresses).

In the UK the word "pants" generally means underwear and not trousers.Shorts are similar to trousers, but with legs that come down only to around the area of the knee, higher or lower depending on the style of the garment. To distinguish them from shorts, trousers may be called "long trousers" in certain contexts such as school uniform, where tailored shorts may be called "short trousers", especially in the UK.

In most of the Western world, trousers have been worn since ancient times and throughout the Medieval period, becoming the most common form of lower-body clothing for adult males in the modern world, although shorts are also widely worn, and kilts and other garments may be worn in various regions and cultures. Breeches were worn instead of trousers in early modern Europe by some men in higher classes of society. Since the mid-20th century, trousers have increasingly been worn by women as well. Jeans, made of denim, are a form of trousers for casual wear, now widely worn all over the world by both sexes. Shorts are often preferred in hot weather or for some sports and also often by children and teenagers. Trousers are worn on the hips or waist and may be held up by their own fastenings, a belt or suspenders (braces). Leggings are form-fitting trousers, of a clingy material, often knittedcotton and spandex (elastane).

Background

On November 27, 2012 Prodigy announced an upcoming collaboration album with producer The Alchemist via his Twitter account, along with the title of

On April 7, 2013 The Alchemist revealed via Twitter that the album had been completed. Then on April 12, 2013, the album's official track listing was revealed. The album contains 16 tracks and features guest appearances by Roc Marciano, Domo Genesis, Havoc, Raekwon, and Action Bronson.

Release and promotion

The first single, "Give Em Hell" was released on January 28, 2013 via Prodigy's SoundCloud page. The song features vocals by Prodigy and was produced by The Alchemist. The album was originally scheduled to be released on May 14, 2013, but Amazon.com would later reveal a release date for the album of June 11, 2013. The second song released in promotion of the album would be "Dough Pildin" on May 12, 2013. On June 4, 2013, the music video was released for "Y.N.T." featuring Domo Genesis. The music video for "Dough Pildin" was released on June 17, 2013. On June 25, 2013, the music video was released for "Give Em Hell". On February 3, 2014, the music video was released for "IMDKV".

Gravitational Field Strength

025 - Gravitational FieldStrength
In this video Paul Andersen explains how the gravitational field strength is directly related to the mass of the object and indirectly related to the square of the distance from the center of mass. The equation for gravitational field strength was discovered by Sir Isaac Newton and contains a gravitational constant.
Do you speak another language? Help me translate my videos:
http://www.bozemanscience.com/translations/
Music Attribution
Title: String TheoryArtist: HermanJolly
http://sunsetvalley.bandcamp.com/track/string-theory
All of the images are licensed under creative commons and public domain licensing:
"File:GRACEGlobeAnimation.gif." Wikipedia, the Free Encyclopedia. Accessed May 22, 2014. http://en.wikipedia.org/wiki/File:GRACE_globe_animation.gif.
"Gravity and Orbits." PhET. Accessed May 22, 2014. http://phet.colorado.edu/en/simulation/gravity-and-orbits.
Sjlegg. English: Gravitational Field Lines and Equipotentials (red) around the Earth., May 9, 2009. Own work. http://commons.wikimedia.org/wiki/File:Gravitational_field_Earth_lines_equipotentials.svg.

The Mysterious and Powerful Force of Gravity

Experts explain how gravity has the ability to bend light and even time. This is why the immense gravitational pull of a black hole distorts everything around it. | http://science.discovery.com/tv-shows/how-the-universe-works/
Catch new episodes of HOW THE UNIVERSE WORKS Tuesdays at 10/9c on Science!
Watch full episodes:
http://bit.ly/HTUWFullEpisodes
Subscribe to Science Channel:
http://www.youtube.com/subscription_center?add_user=sciencechannel
Check out SCI2 for infinitely awesome science videos. Every day.
http://bit.ly/SCI2YT
Download the TestTube app:
http://testu.be/1ndmmMq

5:45

World's Heaviest Weight

World's Heaviest Weight

World's Heaviest Weight

How do you measure big forces accurately? By calibrating your force transducer on the world's biggest weight - 1,000,000 pounds of force. This machine ensures planes don't break apart, jets provide required thrust, and rockets make it to their destination.
Thanks to the people at NIST for showing me around: Rick Seifarth and Ben Stein. Animations here are by Sean Kelley and additional footage by JenniferLauren Lee.
Special thanks to Patreon Supporters:
Tony Fadell, Donal Botkin, Jeff Straathof, Zach Mueller, Ron Neal, NathanHansenSupport Veritasium on Patreon: http://ve42.co/patreon
Before visiting NIST in Washington DC I had no idea machines like this existed. Surely there's an accurate way to measure forces without creating such a huge known force?! Nope. This appears to be the best way, with a stack of 20 x 50,000 lb masses creating a maximum force of 4.45 MN or 1,000,000 pounds of force. I also wouldn't have thought about all the corrections that need applying - for example buoyancy subtracts about 125 pounds from the weight of the stack. Plus the local gravitational field strength must be taken into account. And, the gravitational field varies below grade. All of this must be taken into account in order to limit uncertainty to just five parts per million (.0005%)
Music from The EpidemicSound http://epidemicsound.com "Serene Story 2"

Einstein is Right! Gravity Bends Light - The General Theory of Relativity

Einstein is Right! Gravity Bends Light - The General Theory of Relativity

Einstein is Right! Gravity Bends Light - The General Theory of Relativity

General relativity, or the general theory of relativity, is the geometric theory of gravitation published by Albert Einstein in 1916 and the current description of gravitation in modern physics. General relativity generalizes special relativity and Newton's law of universal gravitation, providing a unified description of gravity as a geometric property of space and time, or spacetime. In particular, the curvature of spacetime is directly related to the energy and momentum of whatever matter and radiation are present. The relation is specified by the Einstein field equations, a system of partial differential equations.
Some predictions of general relativity differ significantly from those of classical physics, especially concerning the passage of time, the geometry of space, the motion of bodies in free fall, and the propagation of light. Examples of such differences include gravitational time dilation, gravitational lensing, the gravitational redshift of light, and the gravitational time delay. The predictions of general relativity have been confirmed in all observations and experiments to date. Although general relativity is not the only relativistic theory of gravity, it is the simplest theory that is consistent with experimental data. However, unanswered questions remain, the most fundamental being how general relativity can be reconciled with the laws of quantum physics to produce a complete and self-consistent theory of quantum gravity.
Einstein's theory has important astrophysical implications. For example, it implies the existence of black holes—regions of space in which space and time are distorted in such a way that nothing, not even light, can escape—as an end-state for massive stars. There is ample evidence that the intense radiation emitted by certain kinds of astronomical objects is due to black holes; for example, microquasars and active galactic nuclei result from the presence of stellar black holes and black holes of a much more massive type, respectively. The bending of light by gravity can lead to the phenomenon of gravitational lensing, in which multiple images of the same distant astronomical object are visible in the sky. General relativity also predicts the existence of gravitational waves, which have since been observed indirectly; a direct measurement is the aim of projects such as LIGO and NASA/ESALaser Interferometer Space Antenna and various pulsar timing arrays. In addition, general relativity is the basis of current cosmological models of a consistently expanding universe

12:01

Gravity's grip on earth

Gravity's grip on earth

Gravity's grip on earth

http://www.euronews.com/ Gravity is one of the fundamental forces of nature, its invisible grip governing our planet - from the rocks inside to the seas on the surface.
In this edition of Space, we begin our adventure in a massive cave in northern Italy, a space beneath the surface of the Earth that is so big it has an effect on the local gravity field. If you parked a car weighing one tonne above this cave, it would weigh five grammes less than elsewhere.
However, getting a grip on gravity on a global scale can only be done from space, and that's something ESA's GOCE satellite mission has been doing since 2009. One of the ultimate goals of GOCE is to improve our knowledge of the geoid, a kind of 'gravity map' of the planet, that is essential for oceanographers, surveyors, engineers and Earth-science researchers.
Also tracking invaluable information about the Earth's gravity field is the GRACE mission. While this pair of satellites don't have the high precision of other missions, they offer something unique: a monthly survey of the gravity field. This US-German mission has been tracking the loss of ice mass over Greenland for the past decade, offering useful evidence for those studying climate change.
Find us on:
Youtube http://bit.ly/zr3upY
Facebook http://www.facebook.com/euronews.fans
Twitter http://twitter.com/euronews

8:14

Satellite Detects MASSIVE Object Under Antarctica 12/27/16

Satellite Detects MASSIVE Object Under Antarctica 12/27/16

Satellite Detects MASSIVE Object Under Antarctica 12/27/16

Source: http://onlinelibrary.wiley.com/doi/10.1029/2008GC002149/full
Secureteam10 is your source for reporting the best in new UFO sighting news, info on the government coverup, and the strange activity happening on and off of our planet. Email us YOUR footage and help us continue the good fight for disclosure!
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Music: Prod.@QuantumBeats_PL
https://soundcloud.com/yontek/free-xmas-trap-beat-instrumental-bad-santa
https://www.facebook.com/quantumbeatspoland
ALL footage used is either done under the express permission of the original owner, or is public domain and falls under rules of Fair Use. We are making such material available for the purposes of criticism, comment, review and news reporting which constitute the 'fair use' of any such copyrighted material as provided for in section 107 of the US Copyright Law. Not withstanding the provisions of sections 106 and 106A, the fair use of a copyrighted work for purposes such as criticism, comment, review and news reporting is not an infringement of copyright.

Gravitational waves

Gravitational waves are ripples in the fabric of spacetime produced by accelerating massive bodies according to Albert Einstein’s general theory of relativity.
In general relativity, gravity manifests itself as massive objects bending the structure of spacetime. In addition, something else happens if the gravitational field varies, for example when two massive objects orbit each other.
The motion of massive bodies through spacetime perturbs its very fabric, imprinting a signal that travels away as a disturbance to the structure of spacetime itself: gravitational waves. The animation visualises the effect of these oscillations, which consist of sequential stretches and compressions of spacetime, rhythmically increasing and reducing the distance between particles as a wave propagates through the surroundings.
It is thought that gravitational waves are abundant across the Universe, typically produced by powerful sources such as supernova explosions and pairs of orbiting black holes.
Update12 February 2016: Gravitational waves were directly detected for the first time by the advanced Laser Interferometer Gravitational-Wave Observatory in 2015, and the discovery was announced on 11 February 2016.
Credit: ESA–C.Carreau

3:20

Gravitational Waves Explained

Gravitational Waves Explained

Gravitational Waves Explained

Our new PODCAST: http://DanielAndJorge.com
ORDER our new book: http://WeHaveNoIdea.com
Have Gravitational Waves finally been detected by LIGO? Physicists Umberto Cannella and Daniel Whiteson explain what they are and why they'll cause a big ripple in our understanding of the Universe.
Subscribe to our channel: http://www.youtube.com/subscription_c...
More at: http://phdcomics.com/tv
Produced by Umberto Cannella
Narrated by Daniel Whiteson
Animated by Jorge Cham
Written by Umberto Cannella, Daniel Whiteson and Jorge Cham
Special thanks to: Aidan Brooks, Flip Tanedo and LIGO
Read the comics at: http://phdcomics.com/comics.php?f=1853
This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 License.

4:53

Einstein's Gravitational Waves Discovered

Einstein's Gravitational Waves Discovered

Einstein's Gravitational Waves Discovered

Scientists have confirmed Albert Einstein's100 year-old theory of gravitational waves. They were detected using a massive system of instruments called the Laser Interferometer Gravitational-wave Observatory (LIGO).
Credit to Caltech's LIGO project for most of the media used in this video:
https://www.ligo.caltech.edu/news/lig...
For the full story behind this discovery, click here:
http://www.sciencemag.org/news/2016/0...
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Music:
"All This - ScoringAction" and
"Decisions"
By Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...)
Source: http://incompetech.com/music/royalty-...
Artist: http://incompetech.com/
Script:
1.3 billion years ago two massive, whirling black holes collided, sending a gravitational ripple through the spacetime fabric of the Universe.
Like a tsunami moving through the ocean, that wave passed through space until it washed past Earth last September.
100 years ago, Albert Einstein predicted exactly this type of event--that massive objects moving in certain ways will cause spacetime ripples, or gravitational waves. But the technology did not exist back then to try and catch one of those waves and after a few years even Einstein himself began questioning the theory. It must have been incredibly bewildering and frustrating to theorize on such a grand scale, but constantly run into the limitations of man’s ability to verify the interstellar events that your core scientific ideas are based on.
Time passed.
And in 1979, after a series of advances in gravitational astrophysics, the National Science Foundation greenlit Caltech (the California Institute of Technology) and MIT (the Massachusetts Institute of Technology) to develop a design for a gigantic instrument capable of detecting Einstein’s gravitational waves.
Fifteen years later, in 1994, construction began on the $250 million Laser Interferometer Gravitational-wave Observatory, or LIGO, which is a pair of L-shaped devices with arms 4 kilometers long--one in Washington state and the other in Louisiana.
They are essentially laser rulers, so precise they can detect differences as small as 1/1,000 of a proton’s width. Theoretically, that sensitivity allows them to see a gravitational wave as it moves by and stretches the arms just enough to cause the laser light to warble.
But for the first eight years LIGO gathered data it did not detect any waves, so an additional $205 million was spent upgrading the system.
On the morning of September 14, 2015, when the advanced LIGO had just come back online after 5 years of refurbishments, lo and behold, it caught a wave! Both LIGO detection locations recorded the same exact changes in frequency.
“I knew that there was something going on because I subscribe to the logs.
This particular log pointed to something that looked like it might actually be a gravitational wave.
What I saw is what called a time frequency plot called a chirp and it was strong, it was unbelievably stronger than anything I expected to be a first detection. It was so strong you could see it by eye and here is the chirp at Hanford, WA and there was the chirp at Livingston, LA, and I though ‘my God, this looks like it’s it.’
It was just perfect. In fact it was almost too good to be true. When I looked at it I said, ‘somebody must have done something wrong and injected a signal.’
Nobody right away believed it. Everybody thought it was a fluke—it was too good. And it took us a while to get to the point where all of us believe it.
It’s monumental. It’s like Galileo using the telescope for the first time.
They’re moving at the velocity of light. Damn near that velocity. Thirty solar masses moving that fast, I mean they’re putting out incredible amounts of energy.
And when they collide with one another they produce a bigger black hole, but they also produce gravitational waves. And in that process about three solar masses just disappears and goes into gravitational waves.
Oh its going to be amazing. We have always said that this is going to be a field called Gravitational WaveAstronomy.
Gravitational waves carry information that you can’t get from any other way. A supernova, two neutron stars colliding, even the Big Bang itself - the beginning of the Universe - all produce gravitational waves.
This first detection by LIGO is the very first step. It’s just the start of the story nature is about to tell us.
I would love to see Einstein’s face. I mean he would have been as dumbfounded as we are because it’s a wonderful proof that all of this incredible stuff of strong-field gravity is in his equations. Just imagine that! To me that’s a miracle!”

7:16

Something Is Making Jupiter's Gravitational Field 'Askew'

Something Is Making Jupiter's Gravitational Field 'Askew'

Something Is Making Jupiter's Gravitational Field 'Askew'

Since it established orbit around Jupiter in July of 2016, the Juno mission has been sending back vital information about the gas giant's atmosphere, magnetic field and weather patterns....

7:33

ESOcast 173: First Successful Test of Einstein’s General Relativity Near Supermassive Black Hole

ESOcast 173: First Successful Test of Einstein’s General Relativity Near Supermassive Black Hole

ESOcast 173: First Successful Test of Einstein’s General Relativity Near Supermassive Black Hole

The Mysterious and Powerful Force of Gravity

Experts explain how gravity has the ability to bend light and even time. This is why the immense gravitational pull of a black hole distorts everything around it. | http://science.discovery.com/tv-shows/how-the-universe-works/
Catch new episodes of HOW THE UNIVERSE WORKS Tuesdays at 10/9c on Science!
Watch full episodes:
http://bit.ly/HTUWFullEpisodes
Subscribe to Science Channel:
http://www.youtube.com/subscription_center?add_user=sciencechannel
Check out SCI2 for infinitely awesome science videos. Every day.
http://bit.ly/SCI2YT
Download the TestTube app:
http://testu.be/1ndmmMq

published: 28 Jul 2015

World's Heaviest Weight

How do you measure big forces accurately? By calibrating your force transducer on the world's biggest weight - 1,000,000 pounds of force. This machine ensures planes don't break apart, jets provide required thrust, and rockets make it to their destination.
Thanks to the people at NIST for showing me around: Rick Seifarth and Ben Stein. Animations here are by Sean Kelley and additional footage by JenniferLauren Lee.
Special thanks to Patreon Supporters:
Tony Fadell, Donal Botkin, Jeff Straathof, Zach Mueller, Ron Neal, NathanHansenSupport Veritasium on Patreon: http://ve42.co/patreon
Before visiting NIST in Washington DC I had no idea machines like this existed. Surely there's an accurate way to measure forces without creating such a huge known force?! Nope. This appears to be the be...

published: 24 May 2017

Nature of the Graviton | Claudia de Rham | TEDxCLESalon

Claudia de Rham is an assistant professor of physics at Case Western Reserve University. Her research is in the area of theoretical cosmology, and she is interested in exploring field theory models of gravity which could account for the accelerated expansion of the Universe.
Claudia de Rham is an assistant professor of physics at Case Western Reserve University. Her research is in the area of theoretical cosmology, and she is interested in exploring field theory models of gravity which could account for the accelerated expansion of the Universe. In particular she has been at the forefront of the development of theories of MassiveGravity where the graviton, the particle carrier of the gravitational force may be massive.
She completed her PhD at the University of Cambridge on Braneworld...

published: 03 Feb 2016

Einstein is Right! Gravity Bends Light - The General Theory of Relativity

General relativity, or the general theory of relativity, is the geometric theory of gravitation published by Albert Einstein in 1916 and the current description of gravitation in modern physics. General relativity generalizes special relativity and Newton's law of universal gravitation, providing a unified description of gravity as a geometric property of space and time, or spacetime. In particular, the curvature of spacetime is directly related to the energy and momentum of whatever matter and radiation are present. The relation is specified by the Einstein field equations, a system of partial differential equations.
Some predictions of general relativity differ significantly from those of classical physics, especially concerning the passage of time, the geometry of space, the motion of ...

published: 09 Jun 2014

Gravity's grip on earth

http://www.euronews.com/ Gravity is one of the fundamental forces of nature, its invisible grip governing our planet - from the rocks inside to the seas on the surface.
In this edition of Space, we begin our adventure in a massive cave in northern Italy, a space beneath the surface of the Earth that is so big it has an effect on the local gravity field. If you parked a car weighing one tonne above this cave, it would weigh five grammes less than elsewhere.
However, getting a grip on gravity on a global scale can only be done from space, and that's something ESA's GOCE satellite mission has been doing since 2009. One of the ultimate goals of GOCE is to improve our knowledge of the geoid, a kind of 'gravity map' of the planet, that is essential for oceanographers, surveyors, engineers an...

published: 21 Feb 2013

Satellite Detects MASSIVE Object Under Antarctica 12/27/16

Source: http://onlinelibrary.wiley.com/doi/10.1029/2008GC002149/full
Secureteam10 is your source for reporting the best in new UFO sighting news, info on the government coverup, and the strange activity happening on and off of our planet. Email us YOUR footage and help us continue the good fight for disclosure!
➨Get Your Secureteam Shirt Here! http://secureteam.spreadshirt.com
➨Twitter: https://twitter.com/SecureTeam10
➨Facebook: https://www.facebook.com/Secureteam10
➨E-mail me with your ideas & footage: TheSecureteam@gmail.com
Music: Prod.@QuantumBeats_PL
https://soundcloud.com/yontek/free-xmas-trap-beat-instrumental-bad-santa
https://www.facebook.com/quantumbeatspoland
ALL footage used is either done under the express permission of the original owner, or is public domain and falls un...

Gravitational waves

Gravitational waves are ripples in the fabric of spacetime produced by accelerating massive bodies according to Albert Einstein’s general theory of relativity.
In general relativity, gravity manifests itself as massive objects bending the structure of spacetime. In addition, something else happens if the gravitational field varies, for example when two massive objects orbit each other.
The motion of massive bodies through spacetime perturbs its very fabric, imprinting a signal that travels away as a disturbance to the structure of spacetime itself: gravitational waves. The animation visualises the effect of these oscillations, which consist of sequential stretches and compressions of spacetime, rhythmically increasing and reducing the distance between particles as a wave propagates thr...

published: 01 Sep 2015

Gravitational Waves Explained

Our new PODCAST: http://DanielAndJorge.com
ORDER our new book: http://WeHaveNoIdea.com
Have Gravitational Waves finally been detected by LIGO? Physicists Umberto Cannella and Daniel Whiteson explain what they are and why they'll cause a big ripple in our understanding of the Universe.
Subscribe to our channel: http://www.youtube.com/subscription_c...
More at: http://phdcomics.com/tv
Produced by Umberto Cannella
Narrated by Daniel Whiteson
Animated by Jorge Cham
Written by Umberto Cannella, Daniel Whiteson and Jorge Cham
Special thanks to: Aidan Brooks, Flip Tanedo and LIGO
Read the comics at: http://phdcomics.com/comics.php?f=1853
This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 License.

025 - Gravitational FieldStrength
In this video Paul Andersen explains how the gravitational field strength is directly related to the mass of the object and indirectly related to the square of the distance from the center of mass. The equation for gravitational field strength was discovered by Sir Isaac Newton and contains a gravitational constant.
Do you speak another language? Help me translate my videos:
http://www.bozemanscience.com/translations/
Music Attribution
Title: String TheoryArtist: HermanJolly
http://sunsetvalley.bandcamp.com/track/string-theory
All of the images are licensed under creative commons and public domain licensing:
"File:GRACEGlobeAnimation.gif." Wikipedia, the Free Encyclopedia. Accessed May 22, 2014. http://en.wikipedia.org/wiki/File:GRACE_globe_animation.gif.
"Gravity and Orbits." PhET. Accessed May 22, 2014. http://phet.colorado.edu/en/simulation/gravity-and-orbits.
Sjlegg. English: Gravitational Field Lines and Equipotentials (red) around the Earth., May 9, 2009. Own work. http://commons.wikimedia.org/wiki/File:Gravitational_field_Earth_lines_equipotentials.svg.

025 - Gravitational FieldStrength
In this video Paul Andersen explains how the gravitational field strength is directly related to the mass of the object and indirectly related to the square of the distance from the center of mass. The equation for gravitational field strength was discovered by Sir Isaac Newton and contains a gravitational constant.
Do you speak another language? Help me translate my videos:
http://www.bozemanscience.com/translations/
Music Attribution
Title: String TheoryArtist: HermanJolly
http://sunsetvalley.bandcamp.com/track/string-theory
All of the images are licensed under creative commons and public domain licensing:
"File:GRACEGlobeAnimation.gif." Wikipedia, the Free Encyclopedia. Accessed May 22, 2014. http://en.wikipedia.org/wiki/File:GRACE_globe_animation.gif.
"Gravity and Orbits." PhET. Accessed May 22, 2014. http://phet.colorado.edu/en/simulation/gravity-and-orbits.
Sjlegg. English: Gravitational Field Lines and Equipotentials (red) around the Earth., May 9, 2009. Own work. http://commons.wikimedia.org/wiki/File:Gravitational_field_Earth_lines_equipotentials.svg.

The Mysterious and Powerful Force of Gravity

Experts explain how gravity has the ability to bend light and even time. This is why the immense gravitational pull of a black hole distorts everything around i...

Experts explain how gravity has the ability to bend light and even time. This is why the immense gravitational pull of a black hole distorts everything around it. | http://science.discovery.com/tv-shows/how-the-universe-works/
Catch new episodes of HOW THE UNIVERSE WORKS Tuesdays at 10/9c on Science!
Watch full episodes:
http://bit.ly/HTUWFullEpisodes
Subscribe to Science Channel:
http://www.youtube.com/subscription_center?add_user=sciencechannel
Check out SCI2 for infinitely awesome science videos. Every day.
http://bit.ly/SCI2YT
Download the TestTube app:
http://testu.be/1ndmmMq

Experts explain how gravity has the ability to bend light and even time. This is why the immense gravitational pull of a black hole distorts everything around it. | http://science.discovery.com/tv-shows/how-the-universe-works/
Catch new episodes of HOW THE UNIVERSE WORKS Tuesdays at 10/9c on Science!
Watch full episodes:
http://bit.ly/HTUWFullEpisodes
Subscribe to Science Channel:
http://www.youtube.com/subscription_center?add_user=sciencechannel
Check out SCI2 for infinitely awesome science videos. Every day.
http://bit.ly/SCI2YT
Download the TestTube app:
http://testu.be/1ndmmMq

World's Heaviest Weight

How do you measure big forces accurately? By calibrating your force transducer on the world's biggest weight - 1,000,000 pounds of force. This machine ensures p...

How do you measure big forces accurately? By calibrating your force transducer on the world's biggest weight - 1,000,000 pounds of force. This machine ensures planes don't break apart, jets provide required thrust, and rockets make it to their destination.
Thanks to the people at NIST for showing me around: Rick Seifarth and Ben Stein. Animations here are by Sean Kelley and additional footage by JenniferLauren Lee.
Special thanks to Patreon Supporters:
Tony Fadell, Donal Botkin, Jeff Straathof, Zach Mueller, Ron Neal, NathanHansenSupport Veritasium on Patreon: http://ve42.co/patreon
Before visiting NIST in Washington DC I had no idea machines like this existed. Surely there's an accurate way to measure forces without creating such a huge known force?! Nope. This appears to be the best way, with a stack of 20 x 50,000 lb masses creating a maximum force of 4.45 MN or 1,000,000 pounds of force. I also wouldn't have thought about all the corrections that need applying - for example buoyancy subtracts about 125 pounds from the weight of the stack. Plus the local gravitational field strength must be taken into account. And, the gravitational field varies below grade. All of this must be taken into account in order to limit uncertainty to just five parts per million (.0005%)
Music from The EpidemicSound http://epidemicsound.com "Serene Story 2"

How do you measure big forces accurately? By calibrating your force transducer on the world's biggest weight - 1,000,000 pounds of force. This machine ensures planes don't break apart, jets provide required thrust, and rockets make it to their destination.
Thanks to the people at NIST for showing me around: Rick Seifarth and Ben Stein. Animations here are by Sean Kelley and additional footage by JenniferLauren Lee.
Special thanks to Patreon Supporters:
Tony Fadell, Donal Botkin, Jeff Straathof, Zach Mueller, Ron Neal, NathanHansenSupport Veritasium on Patreon: http://ve42.co/patreon
Before visiting NIST in Washington DC I had no idea machines like this existed. Surely there's an accurate way to measure forces without creating such a huge known force?! Nope. This appears to be the best way, with a stack of 20 x 50,000 lb masses creating a maximum force of 4.45 MN or 1,000,000 pounds of force. I also wouldn't have thought about all the corrections that need applying - for example buoyancy subtracts about 125 pounds from the weight of the stack. Plus the local gravitational field strength must be taken into account. And, the gravitational field varies below grade. All of this must be taken into account in order to limit uncertainty to just five parts per million (.0005%)
Music from The EpidemicSound http://epidemicsound.com "Serene Story 2"

General relativity, or the general theory of relativity, is the geometric theory of gravitation published by Albert Einstein in 1916 and the current description of gravitation in modern physics. General relativity generalizes special relativity and Newton's law of universal gravitation, providing a unified description of gravity as a geometric property of space and time, or spacetime. In particular, the curvature of spacetime is directly related to the energy and momentum of whatever matter and radiation are present. The relation is specified by the Einstein field equations, a system of partial differential equations.
Some predictions of general relativity differ significantly from those of classical physics, especially concerning the passage of time, the geometry of space, the motion of bodies in free fall, and the propagation of light. Examples of such differences include gravitational time dilation, gravitational lensing, the gravitational redshift of light, and the gravitational time delay. The predictions of general relativity have been confirmed in all observations and experiments to date. Although general relativity is not the only relativistic theory of gravity, it is the simplest theory that is consistent with experimental data. However, unanswered questions remain, the most fundamental being how general relativity can be reconciled with the laws of quantum physics to produce a complete and self-consistent theory of quantum gravity.
Einstein's theory has important astrophysical implications. For example, it implies the existence of black holes—regions of space in which space and time are distorted in such a way that nothing, not even light, can escape—as an end-state for massive stars. There is ample evidence that the intense radiation emitted by certain kinds of astronomical objects is due to black holes; for example, microquasars and active galactic nuclei result from the presence of stellar black holes and black holes of a much more massive type, respectively. The bending of light by gravity can lead to the phenomenon of gravitational lensing, in which multiple images of the same distant astronomical object are visible in the sky. General relativity also predicts the existence of gravitational waves, which have since been observed indirectly; a direct measurement is the aim of projects such as LIGO and NASA/ESALaser Interferometer Space Antenna and various pulsar timing arrays. In addition, general relativity is the basis of current cosmological models of a consistently expanding universe

General relativity, or the general theory of relativity, is the geometric theory of gravitation published by Albert Einstein in 1916 and the current description of gravitation in modern physics. General relativity generalizes special relativity and Newton's law of universal gravitation, providing a unified description of gravity as a geometric property of space and time, or spacetime. In particular, the curvature of spacetime is directly related to the energy and momentum of whatever matter and radiation are present. The relation is specified by the Einstein field equations, a system of partial differential equations.
Some predictions of general relativity differ significantly from those of classical physics, especially concerning the passage of time, the geometry of space, the motion of bodies in free fall, and the propagation of light. Examples of such differences include gravitational time dilation, gravitational lensing, the gravitational redshift of light, and the gravitational time delay. The predictions of general relativity have been confirmed in all observations and experiments to date. Although general relativity is not the only relativistic theory of gravity, it is the simplest theory that is consistent with experimental data. However, unanswered questions remain, the most fundamental being how general relativity can be reconciled with the laws of quantum physics to produce a complete and self-consistent theory of quantum gravity.
Einstein's theory has important astrophysical implications. For example, it implies the existence of black holes—regions of space in which space and time are distorted in such a way that nothing, not even light, can escape—as an end-state for massive stars. There is ample evidence that the intense radiation emitted by certain kinds of astronomical objects is due to black holes; for example, microquasars and active galactic nuclei result from the presence of stellar black holes and black holes of a much more massive type, respectively. The bending of light by gravity can lead to the phenomenon of gravitational lensing, in which multiple images of the same distant astronomical object are visible in the sky. General relativity also predicts the existence of gravitational waves, which have since been observed indirectly; a direct measurement is the aim of projects such as LIGO and NASA/ESALaser Interferometer Space Antenna and various pulsar timing arrays. In addition, general relativity is the basis of current cosmological models of a consistently expanding universe

Gravity's grip on earth

http://www.euronews.com/ Gravity is one of the fundamental forces of nature, its invisible grip governing our planet - from the rocks inside to the seas on the ...

http://www.euronews.com/ Gravity is one of the fundamental forces of nature, its invisible grip governing our planet - from the rocks inside to the seas on the surface.
In this edition of Space, we begin our adventure in a massive cave in northern Italy, a space beneath the surface of the Earth that is so big it has an effect on the local gravity field. If you parked a car weighing one tonne above this cave, it would weigh five grammes less than elsewhere.
However, getting a grip on gravity on a global scale can only be done from space, and that's something ESA's GOCE satellite mission has been doing since 2009. One of the ultimate goals of GOCE is to improve our knowledge of the geoid, a kind of 'gravity map' of the planet, that is essential for oceanographers, surveyors, engineers and Earth-science researchers.
Also tracking invaluable information about the Earth's gravity field is the GRACE mission. While this pair of satellites don't have the high precision of other missions, they offer something unique: a monthly survey of the gravity field. This US-German mission has been tracking the loss of ice mass over Greenland for the past decade, offering useful evidence for those studying climate change.
Find us on:
Youtube http://bit.ly/zr3upY
Facebook http://www.facebook.com/euronews.fans
Twitter http://twitter.com/euronews

http://www.euronews.com/ Gravity is one of the fundamental forces of nature, its invisible grip governing our planet - from the rocks inside to the seas on the surface.
In this edition of Space, we begin our adventure in a massive cave in northern Italy, a space beneath the surface of the Earth that is so big it has an effect on the local gravity field. If you parked a car weighing one tonne above this cave, it would weigh five grammes less than elsewhere.
However, getting a grip on gravity on a global scale can only be done from space, and that's something ESA's GOCE satellite mission has been doing since 2009. One of the ultimate goals of GOCE is to improve our knowledge of the geoid, a kind of 'gravity map' of the planet, that is essential for oceanographers, surveyors, engineers and Earth-science researchers.
Also tracking invaluable information about the Earth's gravity field is the GRACE mission. While this pair of satellites don't have the high precision of other missions, they offer something unique: a monthly survey of the gravity field. This US-German mission has been tracking the loss of ice mass over Greenland for the past decade, offering useful evidence for those studying climate change.
Find us on:
Youtube http://bit.ly/zr3upY
Facebook http://www.facebook.com/euronews.fans
Twitter http://twitter.com/euronews

Satellite Detects MASSIVE Object Under Antarctica 12/27/16

Source: http://onlinelibrary.wiley.com/doi/10.1029/2008GC002149/full
Secureteam10 is your source for reporting the best in new UFO sighting news, info on the go...

Source: http://onlinelibrary.wiley.com/doi/10.1029/2008GC002149/full
Secureteam10 is your source for reporting the best in new UFO sighting news, info on the government coverup, and the strange activity happening on and off of our planet. Email us YOUR footage and help us continue the good fight for disclosure!
➨Get Your Secureteam Shirt Here! http://secureteam.spreadshirt.com
➨Twitter: https://twitter.com/SecureTeam10
➨Facebook: https://www.facebook.com/Secureteam10
➨E-mail me with your ideas & footage: TheSecureteam@gmail.com
Music: Prod.@QuantumBeats_PL
https://soundcloud.com/yontek/free-xmas-trap-beat-instrumental-bad-santa
https://www.facebook.com/quantumbeatspoland
ALL footage used is either done under the express permission of the original owner, or is public domain and falls under rules of Fair Use. We are making such material available for the purposes of criticism, comment, review and news reporting which constitute the 'fair use' of any such copyrighted material as provided for in section 107 of the US Copyright Law. Not withstanding the provisions of sections 106 and 106A, the fair use of a copyrighted work for purposes such as criticism, comment, review and news reporting is not an infringement of copyright.

Source: http://onlinelibrary.wiley.com/doi/10.1029/2008GC002149/full
Secureteam10 is your source for reporting the best in new UFO sighting news, info on the government coverup, and the strange activity happening on and off of our planet. Email us YOUR footage and help us continue the good fight for disclosure!
➨Get Your Secureteam Shirt Here! http://secureteam.spreadshirt.com
➨Twitter: https://twitter.com/SecureTeam10
➨Facebook: https://www.facebook.com/Secureteam10
➨E-mail me with your ideas & footage: TheSecureteam@gmail.com
Music: Prod.@QuantumBeats_PL
https://soundcloud.com/yontek/free-xmas-trap-beat-instrumental-bad-santa
https://www.facebook.com/quantumbeatspoland
ALL footage used is either done under the express permission of the original owner, or is public domain and falls under rules of Fair Use. We are making such material available for the purposes of criticism, comment, review and news reporting which constitute the 'fair use' of any such copyrighted material as provided for in section 107 of the US Copyright Law. Not withstanding the provisions of sections 106 and 106A, the fair use of a copyrighted work for purposes such as criticism, comment, review and news reporting is not an infringement of copyright.

Gravitational waves are ripples in the fabric of spacetime produced by accelerating massive bodies according to Albert Einstein’s general theory of relativity.
In general relativity, gravity manifests itself as massive objects bending the structure of spacetime. In addition, something else happens if the gravitational field varies, for example when two massive objects orbit each other.
The motion of massive bodies through spacetime perturbs its very fabric, imprinting a signal that travels away as a disturbance to the structure of spacetime itself: gravitational waves. The animation visualises the effect of these oscillations, which consist of sequential stretches and compressions of spacetime, rhythmically increasing and reducing the distance between particles as a wave propagates through the surroundings.
It is thought that gravitational waves are abundant across the Universe, typically produced by powerful sources such as supernova explosions and pairs of orbiting black holes.
Update12 February 2016: Gravitational waves were directly detected for the first time by the advanced Laser Interferometer Gravitational-Wave Observatory in 2015, and the discovery was announced on 11 February 2016.
Credit: ESA–C.Carreau

Gravitational waves are ripples in the fabric of spacetime produced by accelerating massive bodies according to Albert Einstein’s general theory of relativity.
In general relativity, gravity manifests itself as massive objects bending the structure of spacetime. In addition, something else happens if the gravitational field varies, for example when two massive objects orbit each other.
The motion of massive bodies through spacetime perturbs its very fabric, imprinting a signal that travels away as a disturbance to the structure of spacetime itself: gravitational waves. The animation visualises the effect of these oscillations, which consist of sequential stretches and compressions of spacetime, rhythmically increasing and reducing the distance between particles as a wave propagates through the surroundings.
It is thought that gravitational waves are abundant across the Universe, typically produced by powerful sources such as supernova explosions and pairs of orbiting black holes.
Update12 February 2016: Gravitational waves were directly detected for the first time by the advanced Laser Interferometer Gravitational-Wave Observatory in 2015, and the discovery was announced on 11 February 2016.
Credit: ESA–C.Carreau

Our new PODCAST: http://DanielAndJorge.com
ORDER our new book: http://WeHaveNoIdea.com
Have Gravitational Waves finally been detected by LIGO? Physicists Umberto Cannella and Daniel Whiteson explain what they are and why they'll cause a big ripple in our understanding of the Universe.
Subscribe to our channel: http://www.youtube.com/subscription_c...
More at: http://phdcomics.com/tv
Produced by Umberto Cannella
Narrated by Daniel Whiteson
Animated by Jorge Cham
Written by Umberto Cannella, Daniel Whiteson and Jorge Cham
Special thanks to: Aidan Brooks, Flip Tanedo and LIGO
Read the comics at: http://phdcomics.com/comics.php?f=1853
This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 License.

Our new PODCAST: http://DanielAndJorge.com
ORDER our new book: http://WeHaveNoIdea.com
Have Gravitational Waves finally been detected by LIGO? Physicists Umberto Cannella and Daniel Whiteson explain what they are and why they'll cause a big ripple in our understanding of the Universe.
Subscribe to our channel: http://www.youtube.com/subscription_c...
More at: http://phdcomics.com/tv
Produced by Umberto Cannella
Narrated by Daniel Whiteson
Animated by Jorge Cham
Written by Umberto Cannella, Daniel Whiteson and Jorge Cham
Special thanks to: Aidan Brooks, Flip Tanedo and LIGO
Read the comics at: http://phdcomics.com/comics.php?f=1853
This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 License.

Scientists have confirmed Albert Einstein's100 year-old theory of gravitational waves. They were detected using a massive system of instruments called the Laser Interferometer Gravitational-wave Observatory (LIGO).
Credit to Caltech's LIGO project for most of the media used in this video:
https://www.ligo.caltech.edu/news/lig...
For the full story behind this discovery, click here:
http://www.sciencemag.org/news/2016/0...
Subscribe to TDC:
https://www.youtube.com/TheDailyConve...
Like our page on Facebook
http://www.facebook.com/thedailyconve...
Join us on Google+
https://plus.google.com/1001349258045...
Follow us on Twitter
http://www.twitter.com/thedailyconvo
Music:
"All This - ScoringAction" and
"Decisions"
By Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...)
Source: http://incompetech.com/music/royalty-...
Artist: http://incompetech.com/
Script:
1.3 billion years ago two massive, whirling black holes collided, sending a gravitational ripple through the spacetime fabric of the Universe.
Like a tsunami moving through the ocean, that wave passed through space until it washed past Earth last September.
100 years ago, Albert Einstein predicted exactly this type of event--that massive objects moving in certain ways will cause spacetime ripples, or gravitational waves. But the technology did not exist back then to try and catch one of those waves and after a few years even Einstein himself began questioning the theory. It must have been incredibly bewildering and frustrating to theorize on such a grand scale, but constantly run into the limitations of man’s ability to verify the interstellar events that your core scientific ideas are based on.
Time passed.
And in 1979, after a series of advances in gravitational astrophysics, the National Science Foundation greenlit Caltech (the California Institute of Technology) and MIT (the Massachusetts Institute of Technology) to develop a design for a gigantic instrument capable of detecting Einstein’s gravitational waves.
Fifteen years later, in 1994, construction began on the $250 million Laser Interferometer Gravitational-wave Observatory, or LIGO, which is a pair of L-shaped devices with arms 4 kilometers long--one in Washington state and the other in Louisiana.
They are essentially laser rulers, so precise they can detect differences as small as 1/1,000 of a proton’s width. Theoretically, that sensitivity allows them to see a gravitational wave as it moves by and stretches the arms just enough to cause the laser light to warble.
But for the first eight years LIGO gathered data it did not detect any waves, so an additional $205 million was spent upgrading the system.
On the morning of September 14, 2015, when the advanced LIGO had just come back online after 5 years of refurbishments, lo and behold, it caught a wave! Both LIGO detection locations recorded the same exact changes in frequency.
“I knew that there was something going on because I subscribe to the logs.
This particular log pointed to something that looked like it might actually be a gravitational wave.
What I saw is what called a time frequency plot called a chirp and it was strong, it was unbelievably stronger than anything I expected to be a first detection. It was so strong you could see it by eye and here is the chirp at Hanford, WA and there was the chirp at Livingston, LA, and I though ‘my God, this looks like it’s it.’
It was just perfect. In fact it was almost too good to be true. When I looked at it I said, ‘somebody must have done something wrong and injected a signal.’
Nobody right away believed it. Everybody thought it was a fluke—it was too good. And it took us a while to get to the point where all of us believe it.
It’s monumental. It’s like Galileo using the telescope for the first time.
They’re moving at the velocity of light. Damn near that velocity. Thirty solar masses moving that fast, I mean they’re putting out incredible amounts of energy.
And when they collide with one another they produce a bigger black hole, but they also produce gravitational waves. And in that process about three solar masses just disappears and goes into gravitational waves.
Oh its going to be amazing. We have always said that this is going to be a field called Gravitational WaveAstronomy.
Gravitational waves carry information that you can’t get from any other way. A supernova, two neutron stars colliding, even the Big Bang itself - the beginning of the Universe - all produce gravitational waves.
This first detection by LIGO is the very first step. It’s just the start of the story nature is about to tell us.
I would love to see Einstein’s face. I mean he would have been as dumbfounded as we are because it’s a wonderful proof that all of this incredible stuff of strong-field gravity is in his equations. Just imagine that! To me that’s a miracle!”

Scientists have confirmed Albert Einstein's100 year-old theory of gravitational waves. They were detected using a massive system of instruments called the Laser Interferometer Gravitational-wave Observatory (LIGO).
Credit to Caltech's LIGO project for most of the media used in this video:
https://www.ligo.caltech.edu/news/lig...
For the full story behind this discovery, click here:
http://www.sciencemag.org/news/2016/0...
Subscribe to TDC:
https://www.youtube.com/TheDailyConve...
Like our page on Facebook
http://www.facebook.com/thedailyconve...
Join us on Google+
https://plus.google.com/1001349258045...
Follow us on Twitter
http://www.twitter.com/thedailyconvo
Music:
"All This - ScoringAction" and
"Decisions"
By Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...)
Source: http://incompetech.com/music/royalty-...
Artist: http://incompetech.com/
Script:
1.3 billion years ago two massive, whirling black holes collided, sending a gravitational ripple through the spacetime fabric of the Universe.
Like a tsunami moving through the ocean, that wave passed through space until it washed past Earth last September.
100 years ago, Albert Einstein predicted exactly this type of event--that massive objects moving in certain ways will cause spacetime ripples, or gravitational waves. But the technology did not exist back then to try and catch one of those waves and after a few years even Einstein himself began questioning the theory. It must have been incredibly bewildering and frustrating to theorize on such a grand scale, but constantly run into the limitations of man’s ability to verify the interstellar events that your core scientific ideas are based on.
Time passed.
And in 1979, after a series of advances in gravitational astrophysics, the National Science Foundation greenlit Caltech (the California Institute of Technology) and MIT (the Massachusetts Institute of Technology) to develop a design for a gigantic instrument capable of detecting Einstein’s gravitational waves.
Fifteen years later, in 1994, construction began on the $250 million Laser Interferometer Gravitational-wave Observatory, or LIGO, which is a pair of L-shaped devices with arms 4 kilometers long--one in Washington state and the other in Louisiana.
They are essentially laser rulers, so precise they can detect differences as small as 1/1,000 of a proton’s width. Theoretically, that sensitivity allows them to see a gravitational wave as it moves by and stretches the arms just enough to cause the laser light to warble.
But for the first eight years LIGO gathered data it did not detect any waves, so an additional $205 million was spent upgrading the system.
On the morning of September 14, 2015, when the advanced LIGO had just come back online after 5 years of refurbishments, lo and behold, it caught a wave! Both LIGO detection locations recorded the same exact changes in frequency.
“I knew that there was something going on because I subscribe to the logs.
This particular log pointed to something that looked like it might actually be a gravitational wave.
What I saw is what called a time frequency plot called a chirp and it was strong, it was unbelievably stronger than anything I expected to be a first detection. It was so strong you could see it by eye and here is the chirp at Hanford, WA and there was the chirp at Livingston, LA, and I though ‘my God, this looks like it’s it.’
It was just perfect. In fact it was almost too good to be true. When I looked at it I said, ‘somebody must have done something wrong and injected a signal.’
Nobody right away believed it. Everybody thought it was a fluke—it was too good. And it took us a while to get to the point where all of us believe it.
It’s monumental. It’s like Galileo using the telescope for the first time.
They’re moving at the velocity of light. Damn near that velocity. Thirty solar masses moving that fast, I mean they’re putting out incredible amounts of energy.
And when they collide with one another they produce a bigger black hole, but they also produce gravitational waves. And in that process about three solar masses just disappears and goes into gravitational waves.
Oh its going to be amazing. We have always said that this is going to be a field called Gravitational WaveAstronomy.
Gravitational waves carry information that you can’t get from any other way. A supernova, two neutron stars colliding, even the Big Bang itself - the beginning of the Universe - all produce gravitational waves.
This first detection by LIGO is the very first step. It’s just the start of the story nature is about to tell us.
I would love to see Einstein’s face. I mean he would have been as dumbfounded as we are because it’s a wonderful proof that all of this incredible stuff of strong-field gravity is in his equations. Just imagine that! To me that’s a miracle!”

Gravitational Field Strength

025 - Gravitational FieldStrength
In this video Paul Andersen explains how the gravitational field strength is directly related to the mass of the object and indirectly related to the square of the distance from the center of mass. The equation for gravitational field strength was discovered by Sir Isaac Newton and contains a gravitational constant.
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"File:GRACEGlobeAnimation.gif." Wikipedia, the Free Encyclopedia. Accessed May 22, 2014. http://en.wikipedia.org/wiki/File:GRACE_globe_animation.gif.
"Gravity and Orbits." PhET. Accessed May 22, 2014. http://phet.colorado.edu/en/simulation/gravity-and-orbits.
Sjlegg. English: Gravitational Field Lines and Equipotentials (red) around the Earth., May 9, 2009. Own work. http://commons.wikimedia.org/wiki/File:Gravitational_field_Earth_lines_equipotentials.svg.

The Mysterious and Powerful Force of Gravity

Experts explain how gravity has the ability to bend light and even time. This is why the immense gravitational pull of a black hole distorts everything around it. | http://science.discovery.com/tv-shows/how-the-universe-works/
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World's Heaviest Weight

How do you measure big forces accurately? By calibrating your force transducer on the world's biggest weight - 1,000,000 pounds of force. This machine ensures planes don't break apart, jets provide required thrust, and rockets make it to their destination.
Thanks to the people at NIST for showing me around: Rick Seifarth and Ben Stein. Animations here are by Sean Kelley and additional footage by JenniferLauren Lee.
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Before visiting NIST in Washington DC I had no idea machines like this existed. Surely there's an accurate way to measure forces without creating such a huge known force?! Nope. This appears to be the best way, with a stack of 20 x 50,000 lb masses creating a maximum force of 4.45 MN or 1,000,000 pounds of force. I also wouldn't have thought about all the corrections that need applying - for example buoyancy subtracts about 125 pounds from the weight of the stack. Plus the local gravitational field strength must be taken into account. And, the gravitational field varies below grade. All of this must be taken into account in order to limit uncertainty to just five parts per million (.0005%)
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Einstein is Right! Gravity Bends Light - The General Theory of Relativity

General relativity, or the general theory of relativity, is the geometric theory of gravitation published by Albert Einstein in 1916 and the current description of gravitation in modern physics. General relativity generalizes special relativity and Newton's law of universal gravitation, providing a unified description of gravity as a geometric property of space and time, or spacetime. In particular, the curvature of spacetime is directly related to the energy and momentum of whatever matter and radiation are present. The relation is specified by the Einstein field equations, a system of partial differential equations.
Some predictions of general relativity differ significantly from those of classical physics, especially concerning the passage of time, the geometry of space, the motion of bodies in free fall, and the propagation of light. Examples of such differences include gravitational time dilation, gravitational lensing, the gravitational redshift of light, and the gravitational time delay. The predictions of general relativity have been confirmed in all observations and experiments to date. Although general relativity is not the only relativistic theory of gravity, it is the simplest theory that is consistent with experimental data. However, unanswered questions remain, the most fundamental being how general relativity can be reconciled with the laws of quantum physics to produce a complete and self-consistent theory of quantum gravity.
Einstein's theory has important astrophysical implications. For example, it implies the existence of black holes—regions of space in which space and time are distorted in such a way that nothing, not even light, can escape—as an end-state for massive stars. There is ample evidence that the intense radiation emitted by certain kinds of astronomical objects is due to black holes; for example, microquasars and active galactic nuclei result from the presence of stellar black holes and black holes of a much more massive type, respectively. The bending of light by gravity can lead to the phenomenon of gravitational lensing, in which multiple images of the same distant astronomical object are visible in the sky. General relativity also predicts the existence of gravitational waves, which have since been observed indirectly; a direct measurement is the aim of projects such as LIGO and NASA/ESALaser Interferometer Space Antenna and various pulsar timing arrays. In addition, general relativity is the basis of current cosmological models of a consistently expanding universe

Gravity's grip on earth

http://www.euronews.com/ Gravity is one of the fundamental forces of nature, its invisible grip governing our planet - from the rocks inside to the seas on the surface.
In this edition of Space, we begin our adventure in a massive cave in northern Italy, a space beneath the surface of the Earth that is so big it has an effect on the local gravity field. If you parked a car weighing one tonne above this cave, it would weigh five grammes less than elsewhere.
However, getting a grip on gravity on a global scale can only be done from space, and that's something ESA's GOCE satellite mission has been doing since 2009. One of the ultimate goals of GOCE is to improve our knowledge of the geoid, a kind of 'gravity map' of the planet, that is essential for oceanographers, surveyors, engineers and Earth-science researchers.
Also tracking invaluable information about the Earth's gravity field is the GRACE mission. While this pair of satellites don't have the high precision of other missions, they offer something unique: a monthly survey of the gravity field. This US-German mission has been tracking the loss of ice mass over Greenland for the past decade, offering useful evidence for those studying climate change.
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Satellite Detects MASSIVE Object Under Antarctica 12/27/16

Source: http://onlinelibrary.wiley.com/doi/10.1029/2008GC002149/full
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Gravitational waves

Gravitational waves are ripples in the fabric of spacetime produced by accelerating massive bodies according to Albert Einstein’s general theory of relativity.
In general relativity, gravity manifests itself as massive objects bending the structure of spacetime. In addition, something else happens if the gravitational field varies, for example when two massive objects orbit each other.
The motion of massive bodies through spacetime perturbs its very fabric, imprinting a signal that travels away as a disturbance to the structure of spacetime itself: gravitational waves. The animation visualises the effect of these oscillations, which consist of sequential stretches and compressions of spacetime, rhythmically increasing and reducing the distance between particles as a wave propagates through the surroundings.
It is thought that gravitational waves are abundant across the Universe, typically produced by powerful sources such as supernova explosions and pairs of orbiting black holes.
Update12 February 2016: Gravitational waves were directly detected for the first time by the advanced Laser Interferometer Gravitational-Wave Observatory in 2015, and the discovery was announced on 11 February 2016.
Credit: ESA–C.Carreau

Gravitational Waves Explained

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Have Gravitational Waves finally been detected by LIGO? Physicists Umberto Cannella and Daniel Whiteson explain what they are and why they'll cause a big ripple in our understanding of the Universe.
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Produced by Umberto Cannella
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Written by Umberto Cannella, Daniel Whiteson and Jorge Cham
Special thanks to: Aidan Brooks, Flip Tanedo and LIGO
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Einstein's Gravitational Waves Discovered

Scientists have confirmed Albert Einstein's100 year-old theory of gravitational waves. They were detected using a massive system of instruments called the Laser Interferometer Gravitational-wave Observatory (LIGO).
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1.3 billion years ago two massive, whirling black holes collided, sending a gravitational ripple through the spacetime fabric of the Universe.
Like a tsunami moving through the ocean, that wave passed through space until it washed past Earth last September.
100 years ago, Albert Einstein predicted exactly this type of event--that massive objects moving in certain ways will cause spacetime ripples, or gravitational waves. But the technology did not exist back then to try and catch one of those waves and after a few years even Einstein himself began questioning the theory. It must have been incredibly bewildering and frustrating to theorize on such a grand scale, but constantly run into the limitations of man’s ability to verify the interstellar events that your core scientific ideas are based on.
Time passed.
And in 1979, after a series of advances in gravitational astrophysics, the National Science Foundation greenlit Caltech (the California Institute of Technology) and MIT (the Massachusetts Institute of Technology) to develop a design for a gigantic instrument capable of detecting Einstein’s gravitational waves.
Fifteen years later, in 1994, construction began on the $250 million Laser Interferometer Gravitational-wave Observatory, or LIGO, which is a pair of L-shaped devices with arms 4 kilometers long--one in Washington state and the other in Louisiana.
They are essentially laser rulers, so precise they can detect differences as small as 1/1,000 of a proton’s width. Theoretically, that sensitivity allows them to see a gravitational wave as it moves by and stretches the arms just enough to cause the laser light to warble.
But for the first eight years LIGO gathered data it did not detect any waves, so an additional $205 million was spent upgrading the system.
On the morning of September 14, 2015, when the advanced LIGO had just come back online after 5 years of refurbishments, lo and behold, it caught a wave! Both LIGO detection locations recorded the same exact changes in frequency.
“I knew that there was something going on because I subscribe to the logs.
This particular log pointed to something that looked like it might actually be a gravitational wave.
What I saw is what called a time frequency plot called a chirp and it was strong, it was unbelievably stronger than anything I expected to be a first detection. It was so strong you could see it by eye and here is the chirp at Hanford, WA and there was the chirp at Livingston, LA, and I though ‘my God, this looks like it’s it.’
It was just perfect. In fact it was almost too good to be true. When I looked at it I said, ‘somebody must have done something wrong and injected a signal.’
Nobody right away believed it. Everybody thought it was a fluke—it was too good. And it took us a while to get to the point where all of us believe it.
It’s monumental. It’s like Galileo using the telescope for the first time.
They’re moving at the velocity of light. Damn near that velocity. Thirty solar masses moving that fast, I mean they’re putting out incredible amounts of energy.
And when they collide with one another they produce a bigger black hole, but they also produce gravitational waves. And in that process about three solar masses just disappears and goes into gravitational waves.
Oh its going to be amazing. We have always said that this is going to be a field called Gravitational WaveAstronomy.
Gravitational waves carry information that you can’t get from any other way. A supernova, two neutron stars colliding, even the Big Bang itself - the beginning of the Universe - all produce gravitational waves.
This first detection by LIGO is the very first step. It’s just the start of the story nature is about to tell us.
I would love to see Einstein’s face. I mean he would have been as dumbfounded as we are because it’s a wonderful proof that all of this incredible stuff of strong-field gravity is in his equations. Just imagine that! To me that’s a miracle!”

Gravitational field

In physics, a gravitational field is a model used to explain the influence that a massive body extends into the space around itself, producing a force on another massive body. Thus, a gravitational field is used to explain gravitational phenomena, and is measured in newtons per kilogram (N/kg). In its original concept, gravity was a force between point masses. Following Newton, Laplace attempted to model gravity as some kind of radiation field or fluid, and since the 19th century explanations for gravity have usually been taught in terms of a field model, rather than a point attraction.

In a field model, rather than two particles attracting each other, the particles distort spacetime via their mass, and this distortion is what is perceived and measured as a "force". In such a model one states that matter moves in certain ways in response to the curvature of spacetime, and that there is either no gravitational force, or that gravity is a fictitious force.